Add unused functions again - they are used in rasa-x

rasa/utils/common.py

@@ -212,3 +212,38 @@ def minimal_kwargs(
         for k, v in kwargs.items()
         if k in possible_arguments and k not in excluded_keys
     }
+
+
+def write_global_config_value(name: Text, value: Any) -> None:
+    """Read global Rasa configuration."""
+
+    try:
+        os.makedirs(os.path.dirname(GLOBAL_USER_CONFIG_PATH), exist_ok=True)
+
+        c = read_global_config()
+        c[name] = value
+        rasa.core.utils.dump_obj_as_yaml_to_file(GLOBAL_USER_CONFIG_PATH, c)
+    except Exception as e:
+        logger.warning(
+            "Failed to write global config. Error: {}. Skipping." "".format(e)
+        )
+
+
+def read_global_config_value(name: Text, unavailable_ok: bool = True) -> Any:
+    """Read a value from the global Rasa configuration."""
+
+    def not_found():
+        if unavailable_ok:
+            return None
+        else:
+            raise ValueError("Configuration '{}' key not found.".format(name))
+
+    if not os.path.exists(GLOBAL_USER_CONFIG_PATH):
+        return not_found()
+
+    c = read_global_config()
+
+    if name in c:
+        return c[name]
+    else:
+        return not_found()

rasa/utils/io.py

@@ -288,3 +288,15 @@ def validate(document: Document) -> None:
                 raise ValidationError(message=error_message)
 
     return FunctionValidator
+
+
+def zip_folder(folder: Text) -> Text:
+    """Create an archive from a folder."""
+    import tempfile
+    import shutil
+
+    zipped_path = tempfile.NamedTemporaryFile(delete=False)
+    zipped_path.close()
+
+    # WARN: not thread save!
+    return shutil.make_archive(zipped_path.name, str("zip"), folder)